Product : Citrix, XenServer/7.1, Standard
Feature : Security, Other, Management
Content Owner:  Roman Macek
Summary
Basic (NetScaler - Fee-Based Add-On)
Details
XenServer uses netfilter/iptables firewalling. There are no specific frameworks or APIs for antivirus or firewall integration.

The fee-based NetScaler provides various (network) security related capabilities through e.g.
- NetScaler Gateway: secure application and data access for Citrix XenApp, Citrix XenDesktop and Citrix XenMobile)
- NetScaler AppFirewall: secures web applications, prevents inadvertent or intentional disclosure of confidential information and aids in compliance with information security regulations such as PCI-DSS. AppFirewall is available as a standalone security appliance or as a fully integrated module of the NetScaler application delivery solution and is included with Citrix NetScaler, Platinum Edition.
Details here: http://bit.ly/17ttmKk